WhenToBird

Birding spot · Galveston County, Texas

Birding at Rollover Island: What You'll See Each Week

In November, the birds most often reported at Rollover Island are Brown Pelican (92%), Black-bellied Plover (86%), and Laughing Gull (85%). It is busiest in winter, when 64 species turn up on at least 1 in 20 checklists, and species counts peak in late March (73 species). 181 species have been reported here across 3,163 complete checklists from 1,746 birders.

Species by week

020406080Jan 1-7: 64 species on 5%+ of 28 checklistsJan 8-14: 55 species on 5%+ of 23 checklistsJan 15-21: 71 species on 5%+ of 39 checklistsJan 22-31: 62 species on 5%+ of 51 checklistsFeb 1-7: 45 species on 5%+ of 22 checklistsFeb 8-14: 72 species on 5%+ of 16 checklistsFeb 15-21: 54 species on 5%+ of 22 checklistsFeb 22-28: 52 species on 5%+ of 26 checklistsMar 1-7: 71 species on 5%+ of 38 checklistsMar 8-14: 64 species on 5%+ of 43 checklistsMar 15-21: 70 species on 5%+ of 49 checklistsMar 22-31: 73 species on 5%+ of 130 checklistsApr 1-7: 64 species on 5%+ of 155 checklistsApr 8-14: 69 species on 5%+ of 395 checklistsApr 15-21: 70 species on 5%+ of 632 checklistsApr 22-30: 59 species on 5%+ of 664 checklistsMay 1-7: 56 species on 5%+ of 181 checklistsMay 8-14: 48 species on 5%+ of 44 checklistsMay 15-21: 73 species on 5%+ of 20 checklistsMay 22-31: 48 species on 5%+ of 21 checklistsJun 1-7: low data (9 checklists)Jun 8-14: 45 species on 5%+ of 13 checklistsJun 15-21: 47 species on 5%+ of 13 checklistsJun 22-30: 48 species on 5%+ of 15 checklistsJul 1-7: 47 species on 5%+ of 16 checklistsJul 8-14: 52 species on 5%+ of 13 checklistsJul 15-21: 47 species on 5%+ of 14 checklistsJul 22-31: 37 species on 5%+ of 22 checklistsAug 1-7: 59 species on 5%+ of 30 checklistsAug 8-14: 65 species on 5%+ of 17 checklistsAug 15-21: 58 species on 5%+ of 19 checklistsAug 22-31: 50 species on 5%+ of 12 checklistsSep 1-7: 66 species on 5%+ of 18 checklistsSep 8-14: 50 species on 5%+ of 23 checklistsSep 15-21: 48 species on 5%+ of 21 checklistsSep 22-30: 59 species on 5%+ of 28 checklistsOct 1-7: 46 species on 5%+ of 31 checklistsOct 8-14: 70 species on 5%+ of 19 checklistsOct 15-21: 48 species on 5%+ of 22 checklistsOct 22-31: 60 species on 5%+ of 27 checklistsNov 1-7: 70 species on 5%+ of 34 checklistsNov 8-14: 65 species on 5%+ of 16 checklistsNov 15-21: 59 species on 5%+ of 26 checklistsNov 22-30: 61 species on 5%+ of 23 checklistsDec 1-7: 61 species on 5%+ of 10 checklistsDec 8-14: 60 species on 5%+ of 22 checklistsDec 15-21: 65 species on 5%+ of 25 checklistsDec 22-31: 58 species on 5%+ of 26 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
Number of species reported on at least 5% of complete checklists, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.

In November: what to expect

  1. 1Brown Pelican92%
  2. 2Black-bellied Plover86%
  3. 3Laughing Gull85%
  4. 4Royal Tern84%
  5. 5Willet84%
  6. 6Forster's Tern77%
  7. 7American White Pelican76%
  8. 8Marbled Godwit74%
  9. 9Great Blue Heron73%
  10. 10Semipalmated Plover73%
  11. 11Ring-billed Gull66%
  12. 12Caspian Tern65%
  13. 13American Oystercatcher63%
  14. 14American Avocet60%
  15. 15Dunlin60%

Share of complete checklists at this spot that reported the bird in November. The sparkline is the whole year, with this month highlighted.

Season by season

Winter 64 species

  1. Brown Pelican88%
  2. Laughing Gull87%
  3. Royal Tern78%
  4. Willet77%
  5. American White Pelican76%

Spring 63 species

  1. Royal Tern91%
  2. Laughing Gull86%
  3. Brown Pelican86%
  4. Black Skimmer82%
  5. Willet76%

Summer 54 species

  1. Laughing Gull94%
  2. Royal Tern93%
  3. Brown Pelican92%
  4. Willet70%
  5. Forster's Tern63%

Fall 62 species

  1. Laughing Gull89%
  2. Brown Pelican87%
  3. Willet84%
  4. Royal Tern83%
  5. Black-bellied Plover80%

Specialties

Birds reported far more often here than across Texas.

Nearby spots

Frequency is the share of complete checklists at this location that listed the bird, 2016–2025. Busy places report more of everything, and the weekly chart counts species on at least 5% of checklists so a few stray reports do not inflate it. How to read it.